15-Letter Words Containing EF

There are 49 15-letter words that contain EF. 11 are common words, such as DEFECTIVENESSES and DEFENSELESSNESS. A rarer one is SUSPENSEFULNESS. 30 words contain a doubled letter.

Full list 49

Common words

defectivenessesdefenselessnessdefensivenessesdisgracefulnessdistastefulnesseffectivenessesimmunodeficientineffectivenessnefariousnessesprefabricationsresourcefulnessdefibrillations
defectivenessesdefenselessnessdefensivenessesdisgracefulnessdistastefulnesseffectivenessesimmunodeficientineffectivenessnefariousnessesprefabricationsresourcefulnessdefibrillationseffectualnessesefficaciousnessindefensibilityineffectualnessoverrefinementsreflexivenessesbarefacednesseschangefulnessescounterreformerdefeasibilitiesdefeminizationsdefenestrationsdefensibilitieseffortfulnessesindefeasibilityindefectibilityindefinablenessineffablenessesineffaceabilityinefficaciouslyirreformabilityirrefragabilitypreferabilitiesprefigurativelypreformationistreflectometriesreformabilitiesrefortificationrefractometriesrefrangiblenessrefundabilitiesreposefulnessesretroreflectionretroreflectiveretroreflectorssuperefficiencysuspensefulness

About this list

Words
49 (11 common words)
Common example
defectivenesses
Rare example
suspensefulness
Doubled letters
30
Ending in S
34

Questions

How many 15-letter words containing ef are there?

49. 11 of them are common words.

What is a common example?

DEFECTIVENESSES is among the common words in this set.